Patent classifications
G
PHYSICS
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G11
INFORMATION STORAGE
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G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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7/00
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation; by modifying optical properties or the physical structure; , reproducing using an optical beam at lower power; by sensing optical properties; Record carriers therefor
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G11B7/12
Heads, e.g. forming of the optical beam spot or modulation of the optical beam
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G11B7/125
Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
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G11B7/126
Circuits, methods or arrangements for laser control or stabilisation
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G11B7/126

SYSTEMS FOR AND METHODS FOR MODE HOP DETECTION IN HEAT ASSISTED MAGNETIC RECORDING
20260073943 · 2026-03-12 · ·

Mode hop detection is provided. A device includes circuitry to receive, from a reader element an indication of one or more properties of a magnetic medium detected by the reader element. The device includes circuitry to determine an envelope of the signal. The device includes circuitry to adjust, responsive to the envelope, a current provided to a laser configured to heat the magnetic medium.

Data recording on ceramic material
12626722 · 2026-05-12 · ·

The present invention relates to a method for recording data in a layer of a ceramic material and to a device for recording data in a layer of a ceramic material.

Data recording on ceramic material
12626722 · 2026-05-12 · ·

The present invention relates to a method for recording data in a layer of a ceramic material and to a device for recording data in a layer of a ceramic material.